private RenderFragment CreateOptionsFragment(object value)
{
return(delegate(RenderTreeBuilder internalBuilder)
{
var rendererTreeBuilder = new BlazorRendererTreeBuilder(internalBuilder);
if (value is Enum enumTypeValue)
{
foreach (var enumValue in Enum.GetValues(enumTypeValue.GetType()))
{
var enumStringValue = enumValue.ToString();
rendererTreeBuilder.OpenElement(HtmlTagNames.Option);
if (enumStringValue == value.ToString())
{
rendererTreeBuilder.AddAttribute(HtmlAttributes.Selected, true);
}
rendererTreeBuilder
.AddAttribute(HtmlAttributes.Value, enumStringValue)
.AddContent(enumStringValue)
.CloseElement();
}
}
});
}
private void BuildRendererTreeForFilterOperations(BlazorRendererTreeBuilder rendererBuilder)
{
rendererBuilder
.OpenElement(HtmlTagNames.Select)
.AddAttribute(HtmlJSEvents.OnChange, EventCallback.Factory.Create(this,
(ChangeEventArgs e) =>
{
selectedFilterOperation = (FilterOperation)BindConverterExtensions.ConvertTo(e.Value, 1);
if (filterIsApplied)
{
filterContext.AddOrUpdateFilterDefinition(new ExpressionFilterDefinition(
ColumnName, selectedFilterOperation, actualFilterValue, TextComparison));
}
}));
foreach (var enumValue in Enum.GetValues(typeof(FilterOperation)))
{
var filterOperation = (FilterOperation)enumValue;
if (!allowedFilterOperations.HasFlag(filterOperation) ||
filterOperation == FilterOperation.None)
{
continue;
}
selectedFilterOperation = selectedFilterOperation == FilterOperation.None
? filterOperation
: selectedFilterOperation;
var enumStringValue = enumValue.ToString();
rendererBuilder.OpenElement(HtmlTagNames.Option);
if (enumStringValue == selectedFilterOperation.ToString())
{
rendererBuilder.AddAttribute(HtmlAttributes.Selected, true);
}
rendererBuilder
.AddAttribute(HtmlAttributes.Value, (int)enumValue)
.AddContent(enumStringValue)
.CloseElement();
}
rendererBuilder.CloseElement();
}
private void BuildRendererTreeForFilterOperations(BlazorRendererTreeBuilder rendererBuilder)
{
rendererBuilder
.OpenElement(HtmlTagNames.Select)
.AddAttribute(HtmlJSEvents.OnChange, BindMethods.SetValueHandler(delegate(int __value)
{
selectedFilterOperation = (FilterOperation)__value;
if (filterIsApplied)
{
filterContext.AddOrUpdateFilterDefinition(new ExpressionFilterDefinition(ColumnName, selectedFilterOperation, actualFilterValue));
}
}, (int)selectedFilterOperation));
foreach (var enumValue in Enum.GetValues(typeof(FilterOperation)))
{
var filterOperation = (FilterOperation)enumValue;
if (!allowedFilterOperations.HasFlag(filterOperation) ||
filterOperation == FilterOperation.None)
{
continue;
}
selectedFilterOperation = selectedFilterOperation == FilterOperation.None
? filterOperation
: selectedFilterOperation;
var enumStringValue = enumValue.ToString();
rendererBuilder.OpenElement(HtmlTagNames.Option);
if (enumStringValue == selectedFilterOperation.ToString())
{
rendererBuilder.AddAttribute(HtmlAttributes.Selected, true);
}
rendererBuilder
.AddAttribute(HtmlAttributes.Value, (int)enumValue)
.AddContent(enumStringValue)
.CloseElement();
}
rendererBuilder.CloseElement();
}